negotiator.boaframework.omstrategy
Class NullStrategy

java.lang.Object
  negotiator.boaframework.OMStrategy
      negotiator.boaframework.omstrategy.NullStrategy

public class NullStrategy
extends OMStrategy

Baseline strategy which simply returns a random bid from the given array of bids. Basically, the opponent model is ignored.

Author:

Mark Hendrikx

Field Summary

Fields inherited from class negotiator.boaframework.OMStrategy

model, negotiationSession

Constructor Summary

NullStrategy()
Empty constructor used for reflexion.

NullStrategy(NegotiationSession negotiationSession)
Normal constructor used to initialize the NullStrategy opponent model strategy.

Method Summary

boolean	canUpdateOM() Returns true if the opponent model be updated, which is in this case if the time is lower than the given threshold.
BidDetails	getBid(java.util.List<BidDetails> allBids) Returns a random bid from the give array of similarly preferred bids.
void	init(NegotiationSession negotiationSession, OpponentModel model, java.util.HashMap<java.lang.String,java.lang.Double> parameters) Initialize method to be used by the BOA framework.

Methods inherited from class negotiator.boaframework.OMStrategy

getBid, getBid, init, setOpponentModel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullStrategy

public NullStrategy()

Empty constructor used for reflexion. Note this constructor assumes that init is called next.

NullStrategy

public NullStrategy(NegotiationSession negotiationSession)

Normal constructor used to initialize the NullStrategy opponent model strategy.

Parameters:

negotiationSession - symbolizing the negotiation state.

Method Detail

init

public void init(NegotiationSession negotiationSession,
                 OpponentModel model,
                 java.util.HashMap<java.lang.String,java.lang.Double> parameters)
          throws java.lang.Exception

Description copied from class: OMStrategy

Initialize method to be used by the BOA framework.

Overrides:

init in class OMStrategy

Parameters:

negotiationSession - state of the negotiation.

model - opponent model to which the opponent model strategy applies.

parameters - for the opponent model strategy, for example the maximum update time.

Throws:

java.lang.Exception - thrown when initializing the opponent model strategy fails.

getBid

public BidDetails getBid(java.util.List<BidDetails> allBids)

Returns a random bid from the give array of similarly preferred bids.

Specified by:

getBid in class OMStrategy

Parameters:

allBids - list of similarly preferred bids.

Returns:

random bid from given array.

canUpdateOM

public boolean canUpdateOM()

Returns true if the opponent model be updated, which is in this case if the time is lower than the given threshold.

Specified by:

canUpdateOM in class OMStrategy

Returns:

true if model may be updated.